Nom du GPU | Bonaire | Polaris 21 |
---|---|---|
GPU variant | Bonaire XTX (215-0839097) | Polaris 21 XT (215-0908004) |
Architecture | GCN 2.0 | GCN 4.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 28 nm | 14 nm |
Transistors | 2,080 million | 3,000 million |
Taille des matrices | 160 mm² | 123 mm² |
Date de publication | Oct 8th, 2013 | Apr 11th, 2018 |
---|---|---|
Génération | Volcanic Islands | Polaris |
Production | End-of-life | Active |
Prix de lancement | 139 USD | — |
Bus interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Critiques | 29 in our database | — |
Prédécesseur | Sea Islands | Polaris |
Successeur | Pirate Islands | Vega |
GPU clock | 1100 MHz | — |
---|---|---|
Mémoire clock | 1625 MHz 6.5 Gbps effective | 1750 MHz 7 Gbps effective |
Base clock | — | 1175 MHz |
Boost clock | — | 1275 MHz |
Taille de la mémoire | 2 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 128 bit |
Bande passante | 104.0 GB/s | 112.0 GB/s |
Shading units | 896 | 1024 |
---|---|---|
TMUs | 56 | 64 |
ROPs | 16 | 16 |
Compute units | 14 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 1024 KB |
Taux de pixel | 17.60 GPixel/s | 20.40 GPixel/s |
---|---|---|
Taux de texture | 61.60 GTexel/s | 81.60 GTexel/s |
FP32 (float) performance | 1.971 TFLOPS | 2.611 TFLOPS |
FP64 (double) performance | 123.2 GFLOPS (1:16) | 163.2 GFLOPS (1:16) |
FP16 (half) performance | — | 2.611 TFLOPS (1:1) |
Taille Slot | Dual-slot | Dual-slot |
---|---|---|
Longueur | 170 mm 6.7 inches | 170 mm 6.7 inches |
TDP | 115 W | 75 W |
Suggestions pour le PSU | 300 W | 250 W |
Sorties | 2x DVI1x HDMI1x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
Connecteurs de puissance | 1x 6-pin | None |
Board number | C582 | C994 |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 6.4 |